Until this year, scientists hadn't seen the Bouvier's red colobus monkey in the wild since the 1970s.
In Zimbabwe, the transformation from poacher to elephant savior isn't just a personal choice, it is a financial one.
A camera trap meant to record chimpanzees makes a chance discovery.
New fossil evidence points the way toward solving the mystery of how the animals arrived in the New World.
The video may be the first of a golden cat hunting in the daylight.
A tour boat in Zambia needed all the horsepower it could get to evade a hippo in hot pursuit.
Iconic giants face an uncertain future, their decline going almost unnoticed.
Only six of the creatures left, having been hunted by poachers in central and east Africa for their horns.
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